@article{ref1,
title="The relationship between children's play interests and their mental ability",
journal="Journal of genetic psychology",
year="1958",
author="Wang, Jun-de",
volume="93",
number="1",
pages="119-131",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}